package com.atguigu.lease.web.admin.service.impl;


import ch.qos.logback.core.net.server.Client;
import com.atguigu.lease.common.minio.MinioProperties;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {

    @Autowired
    private MinioClient minioClient;
    @Autowired
    private MinioProperties minioProperties;

    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
            boolean result = minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperties.getBucketName()).build());
            if (!result){
                minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperties.getBucketName()).build());
                String policy = """
                        {
                          "Statement" : [ {
                            "Action" : "s3:GetObject",
                            "Effect" : "Allow",
                            "Principal" : "*",
                            "Resource" : "arn:aws:s3:::%s/*"
                          } ],
                          "Version" : "2012-10-17"
                        }
                        """.formatted(minioProperties.getBucketName());
                minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(minioProperties.getBucketName()).config(policy).build());
            }
            String fileName = new SimpleDateFormat("yyyyMMdd").format(new Date())+"/"+ UUID.randomUUID()+"-"+file.getOriginalFilename();
            minioClient.putObject(PutObjectArgs.builder()
                    .bucket(minioProperties.getBucketName())
                    .stream(file.getInputStream(),file.getSize(),-1)
                    .contentType(file.getContentType())
                    .object(fileName)
                    .build());

            return String.join("/",minioProperties.getEndpoint(),minioProperties.getBucketName(),fileName);
    }
}
